[U-Boot] "fdt" commands in extlinux.conf ?

[Peter Robinson]

On Sun, Jan 7, 2018 at 4:04 AM, Ken Harris <kjh at hokulea.org> wrote:
> I'd like to enable the CANbus on a Beagle Bone Black (on Fedora ...
> which doesn't do "cape manager").

Well Fedora doesn't so stuff that's not upstream, and while there's
been a bunch of discussion there's been no decision upstream of how
best to do overlay management.

> The crux is a fdt command in u-boot :
>
> fdt set d_can1 status okay
>
> Is there a way to do this in extlinux.conf ?

You could probably load an overlay and save the environment? Dealing
with this better in Fedora is on my
 todo list to get to eventually.

> I didn't see a way (in uboot 2017.09), so I wrote a uEnv.txt script
> (see attached).
>
> That's a bit verbose and duplicates a bunch of stuff already in uboot
> (also : uEnv.txt doesn't exist on my "Orange Pi One").
>
> It there a simpler way to state "fdt" commands ?
>
> Thanks
>
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